Bozeman Science
pH and Buffers
In this video Paul Andersen explains how buffer solutions maintain pH in a solution. A buffer solution is made up of a weak acid and its conjugate base. As strong acids or bases are added the pH remains stable. A good buffer solution has...
Crash Course
Urinary System, part 2: Crash Course A&P
As we promised last week, we're not quite done talking about your pee yet. Today Hank explains how the urinary system regulates the production of urine, by maintaining a study glomerular flow rate. He'll also cover the anatomy of storing...
SciShow
Technicolor Dream Fish: How Tilefish Flash
Lots of animals can change the color of their skin, but there's nothing quite like the chameleon sand tilefish, which can change its appearance in an instant and flash the colors of the rainbow.
SciShow
Four Creatures That Glow
Fireflies, crustaceans, jellyfish -- lots of living things glow, and they do it for all kinds of reasons, some of which we haven't even discovered yet.
Be Smart
What Color is the Universe?
When you stare up at the night sky, you might think that the universe is really black, but that's just because our eyes aren't sensitive enough to see the billions and billions of multicolored stars out there. Ever wonder why certain...
Bozeman Science
X Inactivation
Paul Andersen explains how X inactivation works in mammals. This process was first described by Mary Lyon. Each cell in a female will have on activated and one inactivated X chromosome. This explains why almost all calico cats are female.
TED Talks
TED: A lesson on looking | Amy Herman
Are you looking closely? Visual educator Amy Herman explains how to use art to enhance your powers of perception and find connections where they may not be apparent. Learn the techniques Herman uses to train Navy SEALs, doctors and crime...
SciShow
3 Brand New Colors That Scientists Discovered
For millennia, we mostly had to make do with natural pigments and dyes, but in the last 300 years or so, chemical synthesis has revolutionized the colors of our world.
SciShow
Can Plants Get Sunburned?
Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?
SciShow Kids
Make Your Own Well! Science Project for Kids
Jessi and Squeaks have talked about how wells move water from one place to another before; now they're going to show you how to build your very own so you can see for yourself!
SciShow
Will Stress Really Make You Go Gray?
Just like the myth that plucking one gray hair will make three sprout, stress making your hair white isn't actually a thing. Or is it?!
TED-Ed
TED-Ed: Can you solve the time travel riddle? - Dan Finkel
Your professor has accidentally stepped through a time portal in his physics lab. You’ve got just a minute to jump through before it closes and leaves him stranded in history. Your only way back is to grab enough colored nodules to...
SciShow
Understanding Trypophobia: The Fear of Holes
In this SciShow dose, Michael Aranda explains mystery behind trypophobia.
SciShow Kids
Why Is the Sky Blue?
Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue?
SciShow
Biofluorescence: A Neon World Hidden in Plain Sight
Lots of life on Earth can fluoresce, creating a beautiful neon world of camouflage, communication, and adaptation that is hidden from the human eye.
SciShow
The Stroop Task: The Psych Test You Cannot Beat
The task sounds like it should be pretty easy, but the Stroop task is a fantastic, and very well studied, example of how your brain’s automatic processing can trip you up!
SciShow
How Doctors on Earth Stopped a Medical Emergency in Space
There was a medical incident on the ISS which required NASA to treat an astronaut from Earth. And astronomers have discovered what might be some of the universe’s earliest stars.
Be Smart
Claude Monet Was Half Honeybee
Claude Monet had a very unique eye, and it can teach us a bit about the science of vision
TED Talks
TED: 3 things men can do to promote gender equity | Jimmie Briggs
It is time for a gender reckoning, beginning with men authentically confronting our internal selves and each other, says essayist and intersectional justice advocate Jimmie Briggs. In this call to action for gender equity, he unpacks how...
SciShow Kids
Which Hand Is Stronger? Biology for Kids
Have you ever tried to write or color with both hands at the same time? It seems like it would save a ton of time, right? But for most people, one of their hands is way better at drawing or writing than the other!
SciShow
These Beetles Are Bright and Shiny… For Camouflage
Jewel beetles are pretty eye-catching with their glossy, bright coloration. But if you were a small creature that needed to avoid predators, you might think that eye-catching is the last thing you'd want to be. But it turns out that...
SciShow
How Paintings Help You See the World Differently
Emerging research suggests that paintings might be more than just pretty pictures: how we process what we see in paintings might also impact the way we process the world around us.